GB2284934B - Semiconductor laser - Google Patents
Semiconductor laserInfo
- Publication number
- GB2284934B GB2284934B GB9425120A GB9425120A GB2284934B GB 2284934 B GB2284934 B GB 2284934B GB 9425120 A GB9425120 A GB 9425120A GB 9425120 A GB9425120 A GB 9425120A GB 2284934 B GB2284934 B GB 2284934B
- Authority
- GB
- United Kingdom
- Prior art keywords
- semiconductor laser
- laser
- semiconductor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
- G11B7/127—Lasers; Multiple laser arrays
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/02—Structural details or components not essential to laser action
- H01S5/022—Mountings; Housings
- H01S5/023—Mount members, e.g. sub-mount members
- H01S5/0232—Lead-frames
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/123—Integrated head arrangements, e.g. with source and detectors mounted on the same substrate
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/02—Structural details or components not essential to laser action
- H01S5/022—Mountings; Housings
- H01S5/023—Mount members, e.g. sub-mount members
- H01S5/0231—Stems
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/02—Structural details or components not essential to laser action
- H01S5/022—Mountings; Housings
- H01S5/02218—Material of the housings; Filling of the housings
- H01S5/02234—Resin-filled housings; the housings being made of resin
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/02—Structural details or components not essential to laser action
- H01S5/028—Coatings ; Treatment of the laser facets, e.g. etching, passivation layers or reflecting layers
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
- H10H20/80—Constructional details
- H10H20/85—Packages
- H10H20/8506—Containers
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
- H10H20/80—Constructional details
- H10H20/85—Packages
- H10H20/852—Encapsulations
- H10H20/853—Encapsulations characterised by their shape
-
- H10W72/5522—
-
- H10W90/756—
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Semiconductor Lasers (AREA)
- Structures Or Materials For Encapsulating Or Coating Semiconductor Devices Or Solid State Devices (AREA)
- Optical Head (AREA)
- Encapsulation Of And Coatings For Semiconductor Or Solid State Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5312360A JPH07170019A (en) | 1993-12-14 | 1993-12-14 | Semiconductor laser device |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| GB9425120D0 GB9425120D0 (en) | 1995-02-08 |
| GB2284934A GB2284934A (en) | 1995-06-21 |
| GB2284934B true GB2284934B (en) | 1997-06-25 |
Family
ID=18028317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB9425120A Expired - Fee Related GB2284934B (en) | 1993-12-14 | 1994-12-13 | Semiconductor laser |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPH07170019A (en) |
| DE (1) | DE4444618A1 (en) |
| FR (1) | FR2713828B1 (en) |
| GB (1) | GB2284934B (en) |
| TW (1) | TW373828U (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07335980A (en) * | 1994-06-07 | 1995-12-22 | Fuji Electric Co Ltd | Semiconductor laser device |
| JP3082695B2 (en) | 1997-01-16 | 2000-08-28 | 日本電気株式会社 | Semiconductor laser device and manufacturing method thereof |
| JP3735033B2 (en) | 2000-12-07 | 2006-01-11 | シャープ株式会社 | Semiconductor laser device |
| US6577656B2 (en) * | 2001-03-13 | 2003-06-10 | Finisar Corporation | System and method of packaging a laser/detector |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0568830A1 (en) * | 1992-04-07 | 1993-11-10 | Fuji Electric Co., Ltd. | Semiconductor laser device |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01166591A (en) * | 1987-12-22 | 1989-06-30 | Nec Kagoshima Ltd | Laser diode |
| JPH02125688A (en) * | 1988-11-04 | 1990-05-14 | Sony Corp | Semiconductor laser device |
| JPH02125687A (en) * | 1988-11-04 | 1990-05-14 | Sony Corp | Semiconductor laser device |
| JPH02159084A (en) * | 1988-12-12 | 1990-06-19 | Mitsubishi Electric Corp | molded light emitting element |
| JPH0724323B2 (en) * | 1989-09-05 | 1995-03-15 | 三菱電機株式会社 | Semiconductor laser device |
| US5140384A (en) * | 1990-06-14 | 1992-08-18 | Rohm Co., Ltd. | Semiconductor laser device mounted on a stem |
| JPH04137580A (en) * | 1990-09-27 | 1992-05-12 | Sharp Corp | Stem for semiconductor laser |
| DE69118482T2 (en) * | 1990-11-07 | 1996-08-22 | Fuji Electric Co Ltd | Laser diode with a protective layer on its light-emitting end surface |
| JP2823381B2 (en) * | 1991-04-19 | 1998-11-11 | ローム株式会社 | Semiconductor laser device |
| JPH04346281A (en) * | 1991-05-23 | 1992-12-02 | Sharp Corp | Semiconductor laser device |
| JPH04364791A (en) * | 1991-06-12 | 1992-12-17 | Fuji Electric Co Ltd | Semiconductor laser |
| JPH0523563U (en) * | 1991-07-17 | 1993-03-26 | ソニー株式会社 | Semiconductor laser device |
| US5307362A (en) * | 1991-11-06 | 1994-04-26 | Rohm Co., Ltd. | Mold-type semiconductor laser device |
| US5499262A (en) * | 1992-03-18 | 1996-03-12 | Rohm Co., Ltd. | Semiconductor laser light source unit |
| DE69218431T2 (en) * | 1992-10-14 | 1997-09-25 | Ibm | Encapsulated, light emitting diode and encapsulation process |
-
1993
- 1993-12-14 JP JP5312360A patent/JPH07170019A/en active Pending
-
1994
- 1994-12-13 FR FR9414983A patent/FR2713828B1/en not_active Expired - Fee Related
- 1994-12-13 GB GB9425120A patent/GB2284934B/en not_active Expired - Fee Related
- 1994-12-14 DE DE4444618A patent/DE4444618A1/en not_active Withdrawn
- 1994-12-14 TW TW087203177U patent/TW373828U/en unknown
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0568830A1 (en) * | 1992-04-07 | 1993-11-10 | Fuji Electric Co., Ltd. | Semiconductor laser device |
Also Published As
| Publication number | Publication date |
|---|---|
| GB9425120D0 (en) | 1995-02-08 |
| FR2713828B1 (en) | 1996-02-02 |
| GB2284934A (en) | 1995-06-21 |
| TW373828U (en) | 1999-11-01 |
| JPH07170019A (en) | 1995-07-04 |
| DE4444618A1 (en) | 1995-06-22 |
| FR2713828A1 (en) | 1995-06-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19991213 |